劍橋雅思系列是同學們在備考中最好的教材之一，所以同學們在備考的時候是要準備一些這方面的資料的。新航道雅思小編第一時間分享劍橋雅思5Test1passage2-先天本性還是后天控制，下面是劍橋雅思5Test1passage2原文+譯文。

  PASSAGE 2 參考譯文：

  Nature or Nurture?

  是先天本性還是后天控制?

  A A few years ago, in one of the most fascinating and disturbing experiments in behavioural psychology, Stanley Milgram of Yale University tested 40 subjects from all walks of life for their willingness to obey instructions given by a ‘leader’ in a situation in which the subjects might feel a personal distaste for the actions they were called upon to perform. Specifically Milgram told each volunteer ‘teacher-subject’ that the experiment was in the noble cause of education, and was designed to test whether or not punishing pupils for their mistakes would have a positive effect on the pupils’ ability to learn.

  A 幾年前，耶魯大學的Stanley Milgram進行了一項行為心理學試驗，這項試驗十分有趣但又令試驗對象深感不安。40名試驗對象分別來自社會各界。試驗要測試在對某領導命令做的事情可能產生反感的情況下，這些試驗對象是否愿意執行命令。Milgram向每位在試驗中扮演教師角色的志愿者明確地解釋，試驗是為了崇高的教育事業而進行的，是要測試體罰犯錯誤的學生是否會對學生的學習能力產生積極的影響。

  B Milgram’s experimental set-up involved placing the teacher-subject before a panel of thirty switches with labels ranging from ‘15 volts of electricity (slight shock)’ to ‘450 volts (danger — severe shock)’ in steps of 15 volts each. The teacher-subject was told that whenever the pupil gave the wrong answer to a question, a shock was to be administered, beginning at the lowest level and increasing in severity with each successive wrong answer. The supposed ‘pupil’ was in reality an actor hired by Milgram to simulate receiving the shocks by emitting a spectrum of groans, screams and writings together with an assortment of statements and expletives denouncing both the experiment and the experimenter. Milgram told the teacher-subject to ignore the reactions of the pupil, and to administer whatever level of shock was called for, as per the rule governing the experimental situation of the moment.

  B Milgram的試驗方案是讓這些扮演教師角色的試驗對象到一個有30個切換開關的控電板前，開關上面分別貼著電壓標簽，從15伏(輕度電擊)開始，每個開關依次增大15伏，一直增大到450伏(危險的嚴重電擊)。然后告訴這些試驗對象，學生每回答錯一個問題，就施加一次電擊, 從最低電壓開始，隨著錯誤題數的增加，電擊強度也依次增加。試驗中的學生實際上是Mifgram雇傭的演員，他發出各種呻吟、叫喊聲并痛苦地扭動身體甚至用污言移語謾罵試驗者和試驗本身，來模擬出學生遭受電擊后的反應Milgram讓這些扮演教師角色的試驗對象不要理會學生的反應，按照控制試驗條件的規則，不管電壓多髙都要直接施加。

  C As the experiment unfolded, the pupil would deliberately give the wrong answers to questions posed by the teacher, thereby bringing on various electrical punishments, even up to the danger level of 300 volts and beyond. Many of the teacher-subjects balked at administering the higher levels of punishment, and turned to Milgram with questioning looks and/or complaints about continuing the experiment. In these situations, Milgram calmly explained that the teacher-subject was to ignore the pupil’s cries for mercy and carry on with the experiment. If the subject was still reluctant to proceed, Milgram said that it was important for the sake of the experiment that the procedure be followed through to the end. His final argument was ‘you have no other choice. You must go on’. What Milgram was trying to discover was the number of teacher-subjects who would be willing to administer the highest levels of shock, even in the face of strong personal and moral revulsion against the rules and conditions of the experiment.

  C 隨著試驗的展開，這個學生要故意答錯老師提出的問題，從而受到各種級別電擊的懲罰，甚至是高達300伏的危險電壓或更高電壓的電擊懲罰。許多扮演教師的試驗對象在實施高電壓懲罰時猶豫不決，面帶疑惑地看著Milgram或者對繼續試驗頗有微詞。一旦遇到這種情況，Milgram就會冷靜地向扮演教師的試驗對象解釋說，不要理會學生請求憐憫的呼喊，繼續試驗。如果試驗對象仍不肯繼續試驗，Milgram就告訴他們，為了完成試驗將試驗步驟進行到底是很重要的。如果這樣仍不奏效的話, Milgram就會說：“你別無選擇，必須繼續試驗。”Milgram想要找出的是，面對人性和道德對試驗規則和條件強烈的反感，有多少扮演教師的試驗對象會愿意施加最高電壓的電擊懲罰。

  D Prior to carrying out the experiment, Milgram explained his idea to a group of 39 psychiatrists and asked them to predict the average percentage of people in an ordinary population who would be willing to administer the highest shock level of 450 volts. The overwhelming consensus was that virtually all the teacher-subjects would refuse to obey the experimenter. The psychiatrists felt that ‘most subjects would not go beyond 150 volts’ and they further anticipated that only four per cent would go up to 300 volts. Furthermore, they thought that only a lunatic fringe of about one in 1,000 would give the highest shock of 450 volts.

  D 在進行試驗之前， Milgram向39名精神科醫生解釋了他的想法，讓他們預測一下普通人群中平均會有多大比例的人愿意施加最高達450伏的電擊。這些醫生幾乎一致認為差不多所有扮演教師的試驗對象都會拒絕遵從試驗人的命令。這些精神科醫生感到大多數扮演教師的試驗對象不會施加超過150伏電壓的電擊，并進一步預測說，只有4%的人會施力P300伏以上電壓的電擊。而且，他們認為只有約千分之一的像瘋子一樣的人才會施加450伏的電壓。

  E What were the actual results? Well, over 60 per cent of the teacher-subjects continued to obey Milgram up to the 450-volt limit in repetitions of the experiment in other countries, the percentage of obedient teacher-subjects was even higher, reaching 85 per cent in one country. How can we possibly account for this vast discrepancy between what calm, rational, knowledgeable people predict in the comfort of their study and what pressured, flustered, but cooperative ‘teachers’ actually do in the laboratory of real life?

  E 實際結果如何呢? 60%以上的扮演教師的試驗對象一直遵從Milgram的命令，直到施加最高電壓450伏的電擊。在其他國家進行的重復試驗中，愿意遵從命令的試驗對象的比例更髙, 在某個國家：甚至髙達85%。那些冷靜、理性、有學識的人們依靠他們的研究所得出的輕松的結論，與這些面臨壓力、緊張不安卻遵守命令的扮演教師的試驗對象在模擬真實生活的實驗室中的所作所為竟然存在這么大的差異，我們怎樣才能解釋這種差異呢?

  F One’s first inclination might be to argue that there must be some sort of built-in animal aggression instinct that was activated by the experiment, and that Milgram’s teache-subjects were just following a genetic need to discharge this pent-up primal urge onto the pupil by administering the electrical shock. A modern hard-core sociobiologist might even go so far as to claim that this aggressive instinct evolved as an advantageous trait, having been of survival value to our ancestors in their struggle against the hardships of life on the plains and in the caves, ultimately finding its way into our genetic make-up as a remnant of our ancient animal ways.

  F人們第一反應可能會說，一定是試驗激發了人內在的某種侵略性動物本能。Milgram試驗中那些扮演教師的試驗對象正是本能地靠施加電擊來向學生發泄他們這種受到壓抑的原始沖動。典型的現代社會生物學家甚至會稱這種侵略性的本能是作為一種優勢特征進化而來的，當我們的祖先在巖洞中和平原上與艱苦的生活作斗爭時，這種本能對他們的生存起到了重要的作用。因此，這種本能最終作為遠古時人類動物行為的遺留產物融人到我們的基因當中。

  G An alternative to this notion of genetic programming is to see the teacher-subjects’ actions as a result of the social environment under which the experiment was carried out. As Milgram himself pointed out, ‘Most subjects in the experiment see their behaviour in a larger context that is benevolent and useful to society — the pursuit of scientific truth. The psychological laboratory has a strong claim to legitimacy and evokes trust and confidence in those who perform there. An action such as shocking a victim, which in isolation appears evil, acquires a completely different meaning when placed in this setting.’

  G 與這種基因說不同的觀點是將那些扮演教師的試驗對象的行為看作是進行試驗的社會環境所造成的。正如Milgram自己所說：“大多數試驗對象從大的背景出發，認為自己的行為是仁慈的，對社會有益的，是在追求科學真理。心理實驗室又大力強調此舉的合法性，因此使試驗參與人員對其產生了信任和信心。像對受害人施加電擊這件事，單獨看來似乎是惡行，但在這種情況下卻有了完全不同的意義。”

  H Thus, in this explanation the subject merges his unique personality and personal and moral code with that of larger institutional structures, surrendering individual properties like loyalty, self-sacrifice and discipline to the service of malevolent systems of authority.

  H因此，按這種解釋，扮演教師的試驗對象是將自己的個性、個人準則和道德準則與更廣泛的體制結構結合了起來，使個人的一些特性，如忠誠、自我犧牲和遵守規定，為惡毒的權威體制服務。

  I Here we have two radically different explanations for why so many teacher-subjects were willing to forgo their sense of personal responsibility for the sake of an institutional authority figure. The problem for biologists, psychologists and anthropologists is to sort out which of these two polar explanations is more plausible. This, in essence, is the problem of modern sociobiology — to discover the degree to which hard-wired genetic programming dictates, or at least strongly biases, the interaction of animals and humans with their environment, that is, their behaviour. Put another way, sociobiology is concerned with elucidating the biological basis of all behaviour.

  I對于眾多扮演教師的試驗對象為了一個機構權威人物而愿意放棄他們個人責任感的這種行為，我們有兩種完全不同的解釋。生物學家、心理學家和人類學家所要解決的問題就是找出這兩種截然對立的解釋哪種更合理。從本質講，這是一個當代社會生物學的問題一探索人自身相關基因組成能在多大程度上掌控，或至少說是強烈影響動物和人與環境的交互活動，即他們的行為。換句話說，社會生物學關注的是如何去闡釋所有行為的生物學基礎。

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